/*
 * Copyright (c) 2012 Johann Hanne
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#ifndef _CTYPE_H
#define _CTYPE_H

#include <ctype_istable.h>

/* Trivial ASCII-only implementation */
int toupper(int c);
#pragma aux toupper = ""  \
    "cmp al,0x61" \
    "jb noop" \
    "cmp al,0x7a" \
    "ja noop" \
    "and al,0xdf" \
    "noop:" \
    modify [ax] value [ax] parm [ax];

/* Trivial ASCII-only implementation */
int tolower(int c);
#pragma aux tolower = ""  \
    "cmp al,0x41" \
    "jb noop" \
    "cmp al,0x5a" \
    "ja noop" \
    "or al,0x20" \
    "noop:" \
    modify [ax] value [ax] parm [ax];

#endif /* _CTYPE_H */
